couch potato
A lazy person who spends a lot of time watching TV or laying on the couch doing nothing.
have the blues
Be sad or depressed
busy as a bee
very busy
put your foot down
to firmly disagree with something or someone
on cloud nine
being extremely happy or elated
bad egg
green thumb
talent for gardening
hold your horses
be patient
stick your neck out
to take a risk
one in a million
something rare or unique
big cheese
An important person; someone who is in charge; the boss
out of the blue
unexpected
lion's share
the biggest part
see eye to eye
to agree with someone
dressed to the nines
icing on the cake
The final touch that makes something even better.
once in a blue moon
very rarely
let the cat out of the bag
to reveal a secret
cost an arm and a leg
to be very expensive
back to square one
returning to the beginning or starting point, especially after making no progress
put all your eggs in one basket
To risk everything on one thing.
roll out the red carpet
treat like royalty; give special treatment
let sleeping dogs lie
leave a difficult situation alone
go hand in hand
to be closely connected
kill two birds with one stone
to achieve two goals with one action